| # | Species | Formula |
| 7020 | Erbium complex, CCDC: KOZBUW (Geo) | C21H24N3O9Er | |
| 7021 | Erbium complex, CCDC: SEGVAB (Geo) | C6H6O12Er | |
| 7022 | Erbium complex, CCDC: VUSGUL (Geo) | C12H24N3O12Er | |
| 7023 | Erbium complex, CCDC: YICCIW (Geo) | C10H36O13Er | |
| 7024 | Erbium complex, CCDC: BOWXOA (Geo) | N5O15Er | |
| 7025 | Erbium complex, CCDC: LEYJII (Geo) | C12H30N3O18Er | |
| 7026 | Erbium complex, CCDC: SOKBID (Geo) | C24H38N3O20Er | |
| 7027 | Erbium complex, CCDC: TEPKOO (Geo) | C48H54N7O20Er | |
| 7028 | Erbium complex, CCDC: RUNQOG (Geo) | C48H34N11O25Er | |
| 7029 | Erbium complex, CCDC: XOYXIS (Geo) | C24H32O7F9Er | |
| 7030 | Erbium complex, CCDC: MUGYAO (Geo) | C27H54N3O2Si2Er | |
| 7031 | Erbium complex, CCDC: XAMREI (Geo) | C26H36NSi3Er | |
| 7032 | Erbium complex, CCDC: EHEKUX (Geo) | C20H49O2Si3Er | |
| 7033 | Erbium complex, CCDC: WEFVIM (Geo) | C81H63N6O2P2Er | |
| 7034 | Erbium complex, CCDC: VOSNOG (Geo) | C40H36N3O14P2Er | |
| 7035 | Erbium complex, CCDC: DOGKEP (Geo) | C36H76N7O20P2Er | |
| 7036 | Erbium complex, CCDC: IFOSIF (Geo) | C41H49N2Si2P2Er | |
| 7037 | Erbium complex, CCDC: NIVQUE (Geo) | C72H60N4O8P4Er | |
| 7038 | Erbium complex, CCDC: GAKYOG (Geo) | C14H26O12S2Er | |
| 7039 | Erbium complex, CCDC: DIYNII (Geo) | C20H26O12S2Er | |
| 7040 | Erbium complex, CCDC: DIBTAJ (Geo) | C36H30N3O12S3Er | |